building-patch-tuesday-response-process

Establish a structured operational process to triage, test, and deploy Microsoft Patch Tuesday security updates within risk-based remediation SLAs.

الانتقال إلى التثبيت

المستودع: xalgord/xalgorix
آخر نشاط في المصدر: ٦ يونيو ٢٠٢٦ في ١٦:٤١
لغة SKILL.md المكتشفة: الإنجليزية
النجوم: ٨١٣
التفرعات: ١٤٦

خيارات التثبيت

يُحدَّد Prompt الذي يراجع المصدر أولًا بشكل افتراضي. يمكنك التبديل إلى أمر مباشر أو تنزيل نسخة محلية.

مراجعة ملفات المصدر

اقرأ SKILL.md وأي ملفات مرافقة يعرضها SkillsMP قبل أن تقرر التثبيت.

العودة إلى البحث العودة إلى التثبيت

name	building-patch-tuesday-response-process
description	Establish a structured operational process to triage, test, and deploy Microsoft Patch Tuesday security updates within risk-based remediation SLAs.
domain	cybersecurity
subdomain	vulnerability-management
tags	["patch-management","patch-tuesday","microsoft","wsus","sccm","vulnerability-remediation","windows-update"]
version	1.0
author	mahipal
license	Apache-2.0
nist_csf	["ID.RA-01","ID.RA-02","ID.IM-02","ID.RA-06"]

Building Patch Tuesday Response Process

Overview

Microsoft releases security updates on the second Tuesday of each month ("Patch Tuesday"), addressing vulnerabilities across Windows, Office, Exchange, SQL Server, Azure services, and other products. In 2025, Microsoft patched over 1,129 vulnerabilities across the year -- an 11.9% increase from 2024 -- making a structured response process critical. The leading risk types include elevation of privilege (49%), remote code execution (34%), and information disclosure (7%). This skill covers building a repeatable Patch Tuesday response workflow from initial advisory review through testing, deployment, and validation.

When to Use

When deploying or configuring building patch tuesday response process capabilities in your environment
When establishing security controls aligned to compliance requirements
When building or improving security architecture for this domain
When conducting security assessments that require this implementation

Common Misconfigurations & Verification

No zero-day fast lane — treating exploited CVEs on the normal ring schedule. Verify Ring 0 fires within 24-48h by tracking actual deploy times for KEV-listed items.
No post-patch scan — assuming deployment equals remediation. Verify by diffing pre/post-patch scan results, not the deployment console status.
Flat (non-ringed) rollout — verify ring membership exists and pilot soak times are enforced before production.
Scan signatures not refreshed — verify the VM platform updated its Patch-Tuesday detections (T+1) before measuring compliance.
Reboot-pending counted as patched — verify systems actually rebooted; pending-reboot hosts remain vulnerable.
No exception tracking — verify unpatched systems have documented compensating controls and review dates.

Prerequisites

Access to Microsoft Security Response Center (MSRC) update guide
Vulnerability management platform (Qualys VMDR, Rapid7, Tenable)
Patch deployment infrastructure (WSUS, SCCM/MECM, Intune, or third-party)
Test environment mirroring production configurations
Change management process (ITIL-based or equivalent)
Communication channels for cross-team coordination

Core Concepts

Patch Tuesday Timeline

Day	Activity	Owner
T+0 (Tuesday 10 AM PT)

Category	Criteria	Response SLA
Zero-Day / Exploited	Active exploitation confirmed, CISA KEV listed	24-48 hours
Critical RCE	CVSS >= 9.0, remote code execution, no auth required	3-5 days
Critical with Exploit	Public exploit code or EPSS > 0.7	7 days
High Severity	CVSS 7.0-8.9, privilege escalation	14 days
Medium Severity	CVSS 4.0-6.9	30 days
Low / Informational	CVSS < 4.0, defense-in-depth	Next maintenance window

Category	Products	Risk Level
Windows OS	Windows 10, 11, Server 2016-2025	Critical
Exchange Server	Exchange 2016, 2019, Online	Critical
SQL Server	SQL 2016-2022	High
Office Suite	Microsoft 365, Office 2019-2024	High
.NET Framework	.NET 4.x, .NET 6-9	Medium
Azure Services	Azure AD, Entra ID, Azure Stack	High
Edge/Browser	Edge Chromium, IE mode	Medium
Development Tools	Visual Studio, VS Code	Low

Preparation Checklist:
  [ ] Confirm WSUS/SCCM sync schedules are active
  [ ] Verify test environment is available and current
  [ ] Review outstanding patches from previous month
  [ ] Confirm monitoring dashboards are operational
  [ ] Pre-stage communication templates
  [ ] Ensure rollback procedures are documented
  [ ] Verify backup jobs ran successfully on critical servers

Triage Process:
  1. Monitor MSRC Update Guide (https://msrc.microsoft.com/update-guide)
  2. Review Microsoft Security Blog for advisory summaries
  3. Cross-reference with CISA KEV additions (same day)
  4. Check vendor advisories (Qualys, Rapid7, CrowdStrike analysis)
  5. Identify zero-day and actively exploited vulnerabilities
  6. Classify each CVE by severity and applicability
  7. Determine deployment rings and timeline for each patch
  8. Submit emergency change request for zero-day patches
  9. Communicate triage results to IT Operations and management

# Post-Patch-Tuesday scan workflow
def run_patch_tuesday_scan(scanner_api, target_groups):
    """Trigger vulnerability scans after Patch Tuesday updates."""
    for group in target_groups:
        print(f"[*] Scanning {group['name']}...")
        scan_id = scanner_api.launch_scan(
            target=group["targets"],
            template="patch-tuesday-focused",
            credentials=group["creds"]
        )
        print(f"    Scan launched: {scan_id}")

    # Wait for scan completion, then generate report
    results = scanner_api.get_scan_results(scan_id)
    missing_patches = [r for r in results if r["status"] == "missing"]

    # Categorize by Patch Tuesday release
    current_month = [p for p in missing_patches
                     if p["vendor_advisory_date"] >= patch_tuesday_date]

    return {
        "total_missing": len(missing_patches),
        "current_month": len(current_month),
        "zero_day": [p for p in current_month if p.get("actively_exploited")],
        "critical": [p for p in current_month if p["cvss"] >= 9.0],
    }

Ring 0 - Emergency (0-48 hours):
    Scope:     Zero-day and actively exploited CVEs only
    Method:    Manual or targeted push (SCCM expedite)
    Targets:   Internet-facing servers, critical infrastructure
    Approval:  Emergency change, verbal CISO approval
    Rollback:  Immediate rollback if service degradation

Ring 1 - Pilot (Day 2-7):
    Scope:     All critical and high patches
    Method:    WSUS/SCCM automatic deployment
    Targets:   IT department machines, test group (5-10%)
    Approval:  Standard change with CAB notification
    Monitoring: 48-hour soak period, check for BSOD, app crashes

Ring 2 - Production Servers (Day 7-14):
    Scope:     All security patches
    Method:    SCCM maintenance windows (off-hours)
    Targets:   Production servers by tier
    Approval:  Standard change with CAB approval
    Monitoring: Application health checks, performance baseline

Ring 3 - Workstations (Day 14-21):
    Scope:     All security patches + quality updates
    Method:    Windows Update for Business / Intune
    Targets:   All managed workstations
    Approval:  Pre-approved standard change
    Monitoring: Help desk ticket monitoring for issues

Ring 4 - Stragglers (Day 21-30):
    Scope:     Catch remaining unpatched systems
    Method:    Forced deployment with restart
    Targets:   Systems that missed prior rings
    Approval:  Compliance-driven enforcement

Post-Deployment Validation:
  1. Re-scan environment with updated vulnerability signatures
  2. Compare pre-patch and post-patch scan results
  3. Calculate patch compliance rate per ring and department
  4. Identify failed patches and investigate root causes
  5. Generate compliance report for management review
  6. Update risk register with residual unpatched vulnerabilities
  7. Document exceptions and compensating controls